| ATTACHMENT METHOD | MOUNTING HOLE | 
| BORE NOMINAL DIAMETER | 0.125 INCHES BOTH ENDS | 
| BORE STYLE | PLAIN BOTH ENDS | 
| FACE TYPE | STRAIGHT | 
| FACE NOMINAL WIDTH | 0.190 INCHES | 
| HELIX ANGLE | 1.2666 DEGREES | 
| HUB NOMINAL DIAMETER | 0.260 INCHES FIRST END | 
| HUB STYLE DESIGNATOR | PLAIN FIRST END | 
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-636,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | 
| MATERIAL | COPPER ALLOY OVERALL | 
| PITCH DIAMETER | 0.3749 INCHES NOMINAL | 
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.086 INCHES AXIALLY THROUGH HUB FIRST END | 
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) AXIALLY THROUGH HUB FIRST END | 
| MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED AXIALLY THROUGH HUB FIRST END | 
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.320 INCHES FIRST END | 
| NOMINAL OUTSIDE DIAMETER | 0.390 INCHES | 
| PRESSURE ANGLE | 20.0000 DEGREES | 
| SPECIAL FEATURES | MTG HOLES 90 DEGS APART | 
| STYLE DESIGNATOR | PROTRUDING HUB | 
| SURFACE TREATMENT | OXIDE OVERALL | 
| THREAD FORM DIRECTION | RIGHT-HAND | 
| THREAD FORM QUANTITY | 1 |